SERVICE YOU CAN 
TRULY RELY ON
                
            Brows our range of IPA restrictors and friction stays suitable for the IPA Window System.
The ironmongery is designed to fit in a 17.3 x 3mm groove in the sash and a 12 x 3mm groove in the frame.  All the IPA hardware fits into these grooves making it a lot quicker and simpler to manufacture and install the windows.
                                    
            
                    SERVICE YOU CAN 
TRULY RELY ON